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Cheap flights from Australia to Northern Ireland from £372

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BFS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Australia to Northern Ireland

Keep the following information in mind while searching for Australia to Northern Ireland flight deals. Data was last updated 17 September 2025.

Round-trip from

£790

One-way from

£372

Popular in

July

Cheapest in

June

Average price

£1,099
30/10-6/11
  • 30/10-6/11
  • 4 total stops
  • 89h 55m total
  • Australia to Northern Ireland
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15/12
  • 15/12
  • 3 total stops
  • 48h 20m total
  • Australia to Northern Ireland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Australia to Northern Ireland

Cheapest flights from Australia to Northern Ireland
Explore the most affordable flight options available from Australia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 30/1012:00MEL - BFS
2 stops45h 20mMultiple Airlines
Thu 6/1106:30BFS - MEL
2 stops44h 35mMultiple Airlines
Deal found 15/9£790
Thu 6/1121:30SYD - BFS
2 stops33h 50mMultiple Airlines
Sun 16/1108:55BFS - SYD
2 stops34h 40mMultiple Airlines
Deal found 14/9£834
Fri 17/1013:50SYD - BFS
3 stops42h 45mMultiple Airlines
Mon 20/1017:30BFS - SYD
3 stops40h 40mMultiple Airlines
Deal found 16/9£834
Wed 29/1011:10BNE - BFS
2 stops42h 25mMultiple Airlines
Wed 5/1106:30BFS - BNE
2 stops40h 30mMultiple Airlines
Deal found 14/9£856
Wed 1/1011:00MEL - BFS
2 stops42h 35mMultiple Airlines
Wed 22/1006:10BFS - MEL
2 stops41h 50mMultiple Airlines
Deal found 16/9£889
Thu 30/1012:00SYD - BFS
2 stops45h 20mMultiple Airlines
Thu 6/1106:30BFS - SYD
2 stops44h 05mMultiple Airlines
Deal found 14/9£1,044
Fri 31/1018:20MEL - BFS
3 stops33h 15mMultiple Airlines
Fri 7/1107:05BFS - MEL
3 stops37h 20mMultiple Airlines
Deal found 16/9£1,076
Fri 31/1016:40MEL - BHD
3 stops31h 55mMultiple Airlines
Fri 7/1107:00BHD - MEL
3 stops37h 25mMultiple Airlines
Deal found 16/9£1,084
Fri 31/1015:10MEL - BHD
2 stops30h 20mBritish Airways
Fri 7/1117:40BHD - MEL
2 stops28h 45mBritish Airways
Deal found 16/9£1,133
Fri 31/1015:10BNE - BFS
2 stops28h 55mMultiple Airlines
Fri 7/1106:30BFS - BNE
2 stops30h 05mMultiple Airlines
Deal found 16/9£1,183
Thu 30/1021:55BNE - BFS
2 stops35h 50mMultiple Airlines
Thu 6/1108:25BFS - BNE
2 stops28h 10mMultiple Airlines
Deal found 15/9£1,191
Wed 29/1021:40SYD - BFS
2 stops29h 35mMultiple Airlines
Wed 5/1108:20BFS - SYD
2 stops35h 30mMultiple Airlines
Deal found 14/9£1,276

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Australia to Northern Ireland that are best for you.

Fly from

Australia

Fly to

Northern Ireland

Route

Depart

Return

Price

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 30/10

12:00-22:20

2 stops45h 20m

Belfast Intl

Thu 6/11

06:30-14:05

2 stops44h 35m

£790

MelbourneBelfast

MEL - BHD

MELBHD

Melbourne

Wed 11/3

15:10-09:10

2 stops29h 00m

Belfast City

Sun 15/3

20:25-09:25

2 stops50h 00m

£818

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 6/11

21:30-20:20

2 stops33h 50m

Belfast Intl

Sun 16/11

08:55-06:35

2 stops34h 40m

£834

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Wed 29/10

11:10-19:35

2 stops42h 25m

Belfast Intl

Wed 5/11

06:30-09:00

2 stops40h 30m

£856

MelbourneBelfast

MEL - BHD

MELBHD

Melbourne

Thu 12/3

15:10-10:20

2 stops30h 10m

Belfast City

Mon 16/3

19:25-09:25

2 stops51h 00m

£857

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 1/10

11:00-20:35

2 stops42h 35m

Belfast Intl

Wed 22/10

06:10-10:00

2 stops41h 50m

£889

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 8/3

16:20-10:20

2 stops29h 00m

Belfast City

Tue 10/3

11:25-06:55

2 stops32h 30m

£918

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

16:20-10:20

2 stops29h 00m

Belfast City

Sun 15/3

09:10-06:55

2 stops34h 45m

£918

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 17/10

16:40-10:55

2 stops28h 15m

Belfast Intl

Mon 20/10

17:30-20:10

3 stops40h 40m

£932

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

11:05-10:20

2 stops34h 15m

Belfast City

Mon 16/3

14:40-07:15

2 stops29h 35m

£996

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 48 results
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Best time to book a flight from Australia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Northern Ireland

What is the cheapest month to book a flight from Australia to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Australia to Northern Ireland (average of £67). Flying from Australia to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to NIR?

Find hourly flight availability from Australia to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Northern Ireland as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Australia to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Australia to Northern Ireland?

    Departing from Australia to Northern Ireland will take you 29h. There are 10626 mi between Australia and Northern Ireland.

  • Can I find deals for flights from Australia to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Australia to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Northern Ireland.

  • Can I find deals for business class flights from Australia to Northern Ireland?

    Yes. Cheapflights offers flight deals from Australia to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Australia to Northern Ireland (average of £67). Flying from Australia to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Australia to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Australia to Northern Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to Northern Ireland?

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Can Cheapflights find flights from Australia to Northern Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Northern Ireland flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Australia to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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